Verify checksums when applying changes in FSFS.  Fixes issue #2253.
Verify checksums when applying changes in FSFS.  Fixes issue #2253.

* subversion/libsvn_fs_fs/dag.c (svn_fs_fs__dag_finalize_edits): Adapt
  the code from the libsvn_fs_base version of this function to verify
  checkums.  Not such a no-op after all.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@853679 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion